As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL ODOR COMING FROM AIR CON SYSTEM. OPS CHECKED ALL INTERIOR LIGHTS AND EXTERIOR LIGHTS. CHECKED THE FLIGHT CONTROLS. NO ELECTRICAL ODOR NOTED. CLEANED LEFT PACK DUCT FROM ACM TO COALESER BAG. REPLACED THE LEFT COALESER BAG IAW AMM 21-54-08. OK FOR SERVICE.